I'm currently looking at a used Bastuck system. Going to check it out this week. Sounds like it could be up my alley, and if it's too quiet I suppose I could always supplement with an x-pipe.
2009 BMW M3 E92 6M AW/FR
Eibach Springs + H&R Front Sway + LUX AE + LCI Taillights + BMW Performance CF Spoiler + Bastuck Clubsport Exhaust